Used BitfinexExchange as a template to create generic XChangeExchange

Implemented ItBitExchange via XChangeExchange
This commit is contained in:
Chris Rico 2015-09-09 14:13:00 -05:00
parent 7c75fcc02d
commit 44c565cf0f
13 changed files with 855 additions and 690 deletions

1
.gitignore vendored
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@ -3,3 +3,4 @@
dist/
bin/
build/
.idea

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@ -20,6 +20,7 @@ package com.generalbytes.batm.server.extensions;
public interface ICurrencies {
public static final String BTC = "BTC";
public static final String XBT = "XBT"; //alternate BTC code
public static final String LTC = "LTC";
public static final String DOGE = "DOGE";
public static final String MAX = "MAX";

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@ -27,6 +27,9 @@
<ratesource prefix="bitfinex" name ="Bitfinex.com Exchange" >
<cryptocurrency>BTC</cryptocurrency>
</ratesource>
<ratesource prefix="itbit" name ="itBit.com Exchange" >
<cryptocurrency>BTC</cryptocurrency>
</ratesource>
<paymentprocessor prefix="bitcoinpay" name="BitcoinPay.com" >
<param name="apikey" />
<cryptocurrency>BTC</cryptocurrency>
@ -42,6 +45,13 @@
<param name="apisecret" />
<cryptocurrency>BTC</cryptocurrency>
</exchange>
<exchange prefix="itbit" name="itBit.com Exchange">
<param name="userId" />
<param name="walletId" />
<param name="apikey" />
<param name="apisecret" />
<cryptocurrency>BTC</cryptocurrency>
</exchange>
<cryptologo cryptocurrency="BTC" file="btc.png"/>
</extension>
<extension class="com.generalbytes.batm.server.extensions.extra.dogecoin.DogecoinExtension">

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@ -19,6 +19,7 @@ package com.generalbytes.batm.server.extensions.extra.bitcoin;
import com.generalbytes.batm.server.extensions.*;
import com.generalbytes.batm.server.extensions.extra.bitcoin.exchanges.bitfinex.BitfinexExchange;
import com.generalbytes.batm.server.extensions.extra.bitcoin.exchanges.itbit.ItBitExchange;
import com.generalbytes.batm.server.extensions.extra.bitcoin.paymentprocessors.bitcoinpay.BitcoinPayPP;
import com.generalbytes.batm.server.extensions.extra.bitcoin.paymentprocessors.coinofsale.CoinOfSalePP;
import com.generalbytes.batm.server.extensions.extra.bitcoin.sources.BitcoinAverageRateSource;
@ -47,6 +48,12 @@ public class BitcoinExtension implements IExtension{
String apiKey = paramTokenizer.nextToken();
String apiSecret = paramTokenizer.nextToken();
return new BitfinexExchange(apiKey, apiSecret);
} else if ("itbit".equalsIgnoreCase(prefix)) {
String userId = paramTokenizer.nextToken();
String walletId = paramTokenizer.nextToken();
String clientKey = paramTokenizer.nextToken();
String clientSecret = paramTokenizer.nextToken();
return new ItBitExchange(userId, walletId, clientKey, clientSecret);
}
}
return null;
@ -144,6 +151,8 @@ public class BitcoinExtension implements IExtension{
return new FixPriceRateSource(rate,preferedFiatCurrency);
}else if ("bitfinex".equalsIgnoreCase(exchangeType)) {
return new BitfinexExchange("**","**");
}else if ("itbit".equalsIgnoreCase(exchangeType)) {
return new ItBitExchange();
}
}
return null;

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@ -0,0 +1,723 @@
/*************************************************************************************
* Copyright (C) 2014 GENERAL BYTES s.r.o. All rights reserved.
* <p/>
* This software may be distributed and modified under the terms of the GNU
* General Public License version 2 (GPL2) as published by the Free Software
* Foundation and appearing in the file GPL2.TXT included in the packaging of
* this file. Please note that GPL2 Section 2[b] requires that all works based
* on this software must also be made publicly available under the terms of
* the GPL2 ("Copyleft").
* <p/>
* Contact information
* -------------------
* <p/>
* GENERAL BYTES s.r.o.
* Web : http://www.generalbytes.com
* <p/>
* Other information:
* <p/>
* This implementation was created in cooperation with Orillia BVBA
************************************************************************************/
package com.generalbytes.batm.server.extensions.extra.bitcoin.exchanges;
import com.generalbytes.batm.server.extensions.IExchangeAdvanced;
import com.generalbytes.batm.server.extensions.IRateSourceAdvanced;
import com.generalbytes.batm.server.extensions.ITask;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.xeiam.xchange.Exchange;
import com.xeiam.xchange.ExchangeFactory;
import com.xeiam.xchange.ExchangeSpecification;
import com.xeiam.xchange.currency.CurrencyPair;
import com.xeiam.xchange.dto.Order.OrderType;
import com.xeiam.xchange.dto.marketdata.Ticker;
import com.xeiam.xchange.dto.trade.LimitOrder;
import com.xeiam.xchange.dto.trade.OpenOrders;
import com.xeiam.xchange.exceptions.ExchangeException;
import com.xeiam.xchange.service.polling.account.PollingAccountService;
import com.xeiam.xchange.service.polling.marketdata.PollingMarketDataService;
import com.xeiam.xchange.service.polling.trade.PollingTradeService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
public abstract class XChangeExchange implements IExchangeAdvanced, IRateSource {
private static final long cacheRefreshSeconds = 30;
private static final Cache<String, BigDecimal> balanceCache = createCache();
private static final Cache<String, BigDecimal> rateCache = createCache();
private static Cache<String, BigDecimal> createCache() {
return CacheBuilder
.newBuilder()
.expireAfterWrite(cacheRefreshSeconds, TimeUnit.SECONDS)
.build();
}
private final Exchange exchange;
private final String name;
private final Logger log;
public XChangeExchange(ExchangeSpecification specification) {
exchange = ExchangeFactory.INSTANCE.createExchange(specification);
name = exchange.getExchangeSpecification().getExchangeName();
log = LoggerFactory.getLogger("batm.master." + name);
}
protected abstract boolean isWithdrawSuccessful(String result);
protected abstract double getAllowedCallsPerSecond();
// exchanges that use non standard currency codes can override this
protected String mapCurrency(String currency) {
return currency;
}
private String checkSupportedCrypto(String currency) {
currency = mapCurrency(currency);
if (!getCryptoCurrencies().contains(currency)) {
log.debug("{} exchange doesn't support cryptocurrency '{}'", name, currency);
return null;
}
return currency;
}
private String checkSupportedFiat(String currency) {
currency = mapCurrency(currency);
if (!getCryptoCurrencies().contains(currency)) {
log.debug("{} exchange doesn't support fiat currency '{}'", name, currency);
return null;
}
return currency;
}
@Override
public BigDecimal getExchangeRateLast(String cryptoCurrency, String fiatCurrency) {
String key = getKey(cryptoCurrency, fiatCurrency);
try {
BigDecimal result = rateCache.get(key, new RateCaller(key));
log.debug("{} exchange rate request: {} = {}", name, key, result);
return result;
} catch (ExecutionException e) {
log.error("{} exchange rate request: {}", name, key, e);
return null;
}
}
private String getKey(String cryptoCurrency, String fiatCurrency) {
return String.format("%s:%s", cryptoCurrency, fiatCurrency);
}
private String[] getKeyParts(String key) {
return key.split(":");
}
@Override
public BigDecimal getCryptoBalance(String cryptoCurrency) {
cryptoCurrency = checkSupportedCrypto(cryptoCurrency);
return cryptoCurrency == null ? BigDecimal.ZERO : getBalance(cryptoCurrency);
}
@Override
public BigDecimal getFiatBalance(String fiatCurrency) {
fiatCurrency = checkSupportedFiat(fiatCurrency);
return fiatCurrency == null ? BigDecimal.ZERO : getBalance(fiatCurrency);
}
private BigDecimal getBalance(String currency) {
try {
BigDecimal balance = balanceCache.get(currency, new BalanceCaller(currency));
log.debug("{} exchange balance request: {} = {}", name, currency, balance);
return balance;
} catch (ExecutionException e) {
log.error("{} exchange balance request: {}", name, currency, e);
return null;
}
}
public final String sendCoins(String destinationAddress, BigDecimal amount, String cryptoCurrency, String description) {
cryptoCurrency = checkSupportedCrypto(cryptoCurrency);
if (cryptoCurrency == null) {
return null;
}
log.info("{} exchange withdrawing {} {} to {}", name, amount, cryptoCurrency, destinationAddress);
PollingAccountService accountService = exchange.getPollingAccountService();
try {
String result = accountService.withdrawFunds(cryptoCurrency, amount, destinationAddress);
if (isWithdrawSuccessful(result)) {
log.debug("{} exchange withdrawal completed with result: {}", name, result);
return "success";
} else {
log.error("{} exchange withdrawal failed with result: '{}'", name, result);
}
} catch (IOException e) {
log.error("{} exchange withdrawal failed", name, e);
}
return null;
}
public String purchaseCoins(BigDecimal amount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
cryptoCurrency = checkSupportedCrypto(cryptoCurrency);
fiatCurrencyToUse = checkSupportedFiat(fiatCurrencyToUse);
if (cryptoCurrency == null || fiatCurrencyToUse == null) {
return null;
}
PollingAccountService accountService = exchange.getPollingAccountService();
PollingMarketDataService marketService = exchange.getPollingMarketDataService();
PollingTradeService tradeService = exchange.getPollingTradeService();
try {
log.debug("AccountInfo as String: {}", accountService.getAccountInfo());
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrencyToUse);
Ticker ticker = marketService.getTicker(currencyPair);
LimitOrder order = new LimitOrder.Builder(OrderType.BID, currencyPair)
.limitPrice(ticker.getAsk())
.tradableAmount(amount)
.build();
log.debug("marketOrder = {}", order);
String orderId = tradeService.placeLimitOrder(order);
log.debug("orderId = {} {}", orderId, order);
try {
Thread.sleep(2000); //give exchange 2 seconds to reflect open order in order book
} catch (InterruptedException e) {
e.printStackTrace();
}
// get open orders
log.debug("Open orders:");
boolean orderProcessed = false;
int numberOfChecks = 0;
while (!orderProcessed && numberOfChecks < 10) {
boolean orderFound = false;
OpenOrders openOrders = tradeService.getOpenOrders();
for (LimitOrder openOrder : openOrders.getOpenOrders()) {
log.debug("openOrder = {}", openOrder);
if (orderId.equals(openOrder.getId())) {
orderFound = true;
break;
}
}
if (orderFound) {
log.debug("Waiting for order to be processed.");
try {
Thread.sleep(3000); //don't get your ip address banned
} catch (InterruptedException e) {
e.printStackTrace();
}
} else {
orderProcessed = true;
}
numberOfChecks++;
}
if (orderProcessed) {
return orderId;
}
} catch (IOException e) {
log.error(String.format("{} exchange purchase coins failed", name), e);
}
return null;
}
@Override
public ITask createPurchaseCoinsTask(BigDecimal amount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
cryptoCurrency = checkSupportedCrypto(cryptoCurrency);
fiatCurrencyToUse = checkSupportedFiat(fiatCurrencyToUse);
if (cryptoCurrency == null || fiatCurrencyToUse == null) {
return null;
}
return new PurchaseCoinsTask(amount, cryptoCurrency, fiatCurrencyToUse, description);
}
@Override
public String getDepositAddress(String cryptoCurrency) {
cryptoCurrency = checkSupportedCrypto(cryptoCurrency);
if (cryptoCurrency == null) {
return null;
}
PollingAccountService accountService = exchange.getPollingAccountService();
try {
return accountService.requestDepositAddress(cryptoCurrency);
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
@Override
public String sellCoins(BigDecimal cryptoAmount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
cryptoCurrency = checkSupportedCrypto(cryptoCurrency);
fiatCurrencyToUse = checkSupportedFiat(fiatCurrencyToUse);
if (cryptoCurrency == null || fiatCurrencyToUse == null) {
return null;
}
log.info("Calling {} exchange (sell {} {})", name, cryptoAmount, cryptoCurrency);
PollingAccountService accountService = exchange.getPollingAccountService();
PollingTradeService tradeService = exchange.getPollingTradeService();
try {
log.debug("AccountInfo as String: {}", accountService.getAccountInfo());
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrencyToUse);
MarketOrder order = new MarketOrder(OrderType.ASK, cryptoAmount, currencyPair);
log.debug("marketOrder = {}", order);
String orderId = tradeService.placeMarketOrder(order);
log.debug("orderId = {} {}", orderId, order);
try {
Thread.sleep(2000); //give exchange 2 seconds to reflect open order in order book
} catch (InterruptedException e) {
e.printStackTrace();
}
// get open orders
log.debug("Open orders:");
boolean orderProcessed = false;
int numberOfChecks = 0;
while (!orderProcessed && numberOfChecks < 10) {
boolean orderFound = false;
OpenOrders openOrders = tradeService.getOpenOrders();
for (LimitOrder openOrder : openOrders.getOpenOrders()) {
log.debug("openOrder = {}", openOrder);
if (orderId.equals(openOrder.getId())) {
orderFound = true;
break;
}
}
if (orderFound) {
log.debug("Waiting for order to be processed.");
try {
Thread.sleep(3000); //don't get your ip address banned
} catch (InterruptedException e) {
e.printStackTrace();
}
}else{
orderProcessed = true;
}
numberOfChecks++;
}
if (orderProcessed) {
return orderId;
}
} catch (IOException e) {
log.error("{} exchange sell coins failed", name, e);
}
return null;
}
@Override
public ITask createSellCoinsTask(BigDecimal amount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
cryptoCurrency = checkSupportedCrypto(cryptoCurrency);
fiatCurrencyToUse = checkSupportedFiat(fiatCurrencyToUse);
if (cryptoCurrency == null || fiatCurrencyToUse == null) {
return null;
}
return new SellCoinsTask(amount, cryptoCurrency, fiatCurrencyToUse, description);
}
@Override
public BigDecimal getExchangeRateForBuy(String cryptoCurrency, String fiatCurrency) {
BigDecimal result = calculateBuyPrice(cryptoCurrency, fiatCurrency, BigDecimal.TEN);
if (result != null) {
return result.divide(BigDecimal.TEN, 2, BigDecimal.ROUND_UP);
}
return null;
}
@Override
public BigDecimal getExchangeRateForSell(String cryptoCurrency, String fiatCurrency) {
BigDecimal result = calculateSellPrice(cryptoCurrency, fiatCurrency, BigDecimal.TEN);
if (result != null) {
return result.divide(BigDecimal.TEN, 2, BigDecimal.ROUND_DOWN);
}
return null;
}
@Override
public BigDecimal calculateBuyPrice(String cryptoCurrency, String fiatCurrency, BigDecimal cryptoAmount) {
cryptoCurrency = checkSupportedCrypto(cryptoCurrency);
fiatCurrency = checkSupportedFiat(fiatCurrency);
if (cryptoCurrency == null || fiatCurrency == null) {
return null;
}
rateLimiter.acquire();
PollingMarketDataService marketDataService = exchange.getPollingMarketDataService();
try {
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrency);
OrderBook orderBook = marketDataService.getOrderBook(currencyPair);
List<LimitOrder> asks = orderBook.getAsks();
BigDecimal targetAmount = cryptoAmount;
BigDecimal asksTotal = BigDecimal.ZERO;
BigDecimal tradableLimit = null;
Collections.sort(asks, new Comparator<LimitOrder>() {
@Override
public int compare(LimitOrder lhs, LimitOrder rhs) {
return lhs.getLimitPrice().compareTo(rhs.getLimitPrice());
}
});
// log.debug("Selected asks:");
for (LimitOrder ask : asks) {
// log.debug("ask = " + ask);
asksTotal = asksTotal.add(ask.getTradableAmount());
if (targetAmount.compareTo(asksTotal) <= 0) {
tradableLimit = ask.getLimitPrice();
break;
}
}
if (tradableLimit != null) {
log.debug("Called {} exchange for BUY rate: {}:{} = {}", name, cryptoCurrency, fiatCurrency, tradableLimit);
return tradableLimit.multiply(cryptoAmount);
}
} catch (Throwable e) {
log.error("{} exchange failed to calculate buy price", name, e);
}
return null;
}
@Override
public BigDecimal calculateSellPrice(String cryptoCurrency, String fiatCurrency, BigDecimal cryptoAmount) {
cryptoCurrency = checkSupportedCrypto(cryptoCurrency);
fiatCurrency = checkSupportedFiat(fiatCurrency);
if (cryptoCurrency == null || fiatCurrency == null) {
return null;
}
rateLimiter.acquire();
PollingMarketDataService marketDataService = exchange.getPollingMarketDataService();
try {
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrency);
OrderBook orderBook = marketDataService.getOrderBook(currencyPair);
List<LimitOrder> bids = orderBook.getBids();
BigDecimal targetAmount = cryptoAmount;
BigDecimal bidsTotal = BigDecimal.ZERO;
BigDecimal tradableLimit = null;
Collections.sort(bids, new Comparator<LimitOrder>() {
@Override
public int compare(LimitOrder lhs, LimitOrder rhs) {
return rhs.getLimitPrice().compareTo(lhs.getLimitPrice());
}
});
for (LimitOrder bid : bids) {
bidsTotal = bidsTotal.add(bid.getTradableAmount());
if (targetAmount.compareTo(bidsTotal) <= 0) {
tradableLimit = bid.getLimitPrice();
break;
}
}
if (tradableLimit != null) {
log.debug("Called {} exchange for SELL rate: {}:{} = {}", name, cryptoCurrency, fiatCurrency, tradableLimit);
return tradableLimit.multiply(cryptoAmount);
}
} catch (Throwable e) {
log.error("{} exchange failed to calculate sell price", name, e);
}
return null;
}
class RateCaller implements Callable<BigDecimal> {
private final String key;
RateCaller(String key) {
this.key = key;
}
@Override
public BigDecimal call() throws Exception {
String[] keyParts = getKeyParts(key);
return exchange.getPollingMarketDataService()
.getTicker(new CurrencyPair(keyParts[0], keyParts[1]))
.getLast();
}
}
class BalanceCaller implements Callable<BigDecimal> {
private final String currency;
BalanceCaller(String currency) {
this.currency = currency;
}
@Override
public BigDecimal call() throws Exception {
return exchange.getPollingAccountService()
.getAccountInfo()
.getWallet(currency)
.getBalance();
}
}
class PurchaseCoinsTask implements ITask {
private long MAXIMUM_TIME_TO_WAIT_FOR_ORDER_TO_FINISH = 5 * 60 * 60 * 1000; //5 hours
private BigDecimal amount;
private String cryptoCurrency;
private String fiatCurrencyToUse;
private String description;
private String orderId;
private String result;
private boolean finished;
PurchaseCoinsTask(BigDecimal amount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
this.amount = amount;
this.cryptoCurrency = cryptoCurrency;
this.fiatCurrencyToUse = fiatCurrencyToUse;
this.description = description;
}
@Override
public boolean onCreate() {
log.debug("{} exchange purchase {} {}", name, amount, cryptoCurrency);
PollingAccountService accountService = exchange.getPollingAccountService();
PollingMarketDataService marketService = exchange.getPollingMarketDataService();
PollingTradeService tradeService = exchange.getPollingTradeService();
try {
log.debug("AccountInfo as String: {}", accountService.getAccountInfo());
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrencyToUse);
Ticker ticker = marketService.getTicker(currencyPair);
LimitOrder order = new LimitOrder.Builder(OrderType.BID, currencyPair)
.limitPrice(ticker.getAsk())
.tradableAmount(amount)
.build();
log.debug("limitOrder = {}", order);
orderId = tradeService.placeLimitOrder(order);
log.debug("orderId = {} {}", orderId, order);
try {
Thread.sleep(2000); //give exchange 2 seconds to reflect open order in order book
} catch (InterruptedException e) {
e.printStackTrace();
}
} catch (IOException e) {
e.printStackTrace();
log.error("{} exchange purchase task failed", name, e);
}
return (orderId != null);
}
@Override
public boolean onDoStep() {
if (orderId == null) {
log.debug("Giving up on waiting for trade to complete. Because it did not happen");
finished = true;
result = "Skipped";
return false;
}
PollingTradeService tradeService = exchange.getPollingTradeService();
// get open orders
boolean orderProcessed = false;
long checkTillTime = System.currentTimeMillis() + MAXIMUM_TIME_TO_WAIT_FOR_ORDER_TO_FINISH;
if (System.currentTimeMillis() > checkTillTime) {
log.debug("Giving up on waiting for trade {} to complete", orderId);
finished = true;
return false;
}
log.debug("Open orders:");
boolean orderFound = false;
try {
OpenOrders openOrders = tradeService.getOpenOrders();
for (LimitOrder openOrder : openOrders.getOpenOrders()) {
log.debug("openOrder = {}", openOrder);
if (orderId.equals(openOrder.getId())) {
orderFound = true;
break;
}
}
} catch (IOException e) {
e.printStackTrace();
}
if (orderFound) {
log.debug("Waiting for order to be processed.");
} else {
orderProcessed = true;
}
if (orderProcessed) {
result = orderId;
finished = true;
}
return result != null;
}
@Override
public boolean isFinished() {
return finished;
}
@Override
public String getResult() {
return result;
}
@Override
public boolean isFailed() {
return finished && result == null;
}
@Override
public void onFinish() {
log.debug("Purchase task finished.");
}
@Override
public long getShortestTimeForNexStepInvocation() {
return 5 * 1000; //it doesn't make sense to run step sooner than after 5 seconds
}
}
class SellCoinsTask implements ITask {
private long MAXIMUM_TIME_TO_WAIT_FOR_ORDER_TO_FINISH = 5 * 60 * 60 * 1000; //5 hours
private BigDecimal cryptoAmount;
private String cryptoCurrency;
private String fiatCurrencyToUse;
private String description;
private String orderId;
private String result;
private boolean finished;
SellCoinsTask(BigDecimal cryptoAmount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
this.cryptoAmount = cryptoAmount;
this.cryptoCurrency = cryptoCurrency;
this.fiatCurrencyToUse = fiatCurrencyToUse;
this.description = description;
}
@Override
public boolean onCreate() {
log.info("Calling {} exchange (sell {} {})", name, cryptoAmount, cryptoCurrency);
PollingAccountService accountService = exchange.getPollingAccountService();
PollingTradeService tradeService = exchange.getPollingTradeService();
try {
log.debug("AccountInfo as String: {}", accountService.getAccountInfo());
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrencyToUse);
MarketOrder order = new MarketOrder(OrderType.ASK, cryptoAmount, currencyPair);
log.debug("marketOrder = {}", order);
orderId = tradeService.placeMarketOrder(order);
log.debug("orderId = {} {}", orderId, order);
try {
Thread.sleep(2000); //give exchange 2 seconds to reflect open order in order book
} catch (InterruptedException e) {
e.printStackTrace();
}
} catch (IOException e) {
e.printStackTrace();
log.error("{} exchange sell coins task failed", name, e);
} catch (Throwable e) {
e.printStackTrace();
}
return (orderId != null);
}
@Override
public boolean onDoStep() {
if (orderId == null) {
log.debug("Giving up on waiting for trade to complete. Because it did not happen");
finished = true;
result = "Skipped";
return false;
}
PollingTradeService tradeService = exchange.getPollingTradeService();
// get open orders
boolean orderProcessed = false;
long checkTillTime = System.currentTimeMillis() + MAXIMUM_TIME_TO_WAIT_FOR_ORDER_TO_FINISH;
if (System.currentTimeMillis() > checkTillTime) {
log.debug("Giving up on waiting for trade {} to complete", orderId);
finished = true;
return false;
}
log.debug("Open orders:");
boolean orderFound = false;
try {
OpenOrders openOrders = tradeService.getOpenOrders();
for (LimitOrder openOrder : openOrders.getOpenOrders()) {
log.debug("openOrder = {}", openOrder);
if (orderId.equals(openOrder.getId())) {
orderFound = true;
break;
}
}
} catch (IOException e) {
e.printStackTrace();
}
if (orderFound) {
log.debug("Waiting for order to be processed.");
}else{
orderProcessed = true;
}
if (orderProcessed) {
result = orderId;
finished = true;
}
return result != null;
}
@Override
public boolean isFinished() {
return finished;
}
@Override
public String getResult() {
return result;
}
@Override
public boolean isFailed() {
return finished && result == null;
}
@Override
public void onFinish() {
log.debug("Sell task finished.");
}
@Override
public long getShortestTimeForNexStepInvocation() {
return 5 * 1000; //it doesn't make sense to run step sooner than after 5 seconds
}
}
}

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@ -20,722 +20,54 @@
************************************************************************************/
package com.generalbytes.batm.server.extensions.extra.bitcoin.exchanges.bitfinex;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.*;
import com.generalbytes.batm.server.extensions.*;
import com.xeiam.xchange.ExchangeException;
import com.xeiam.xchange.dto.marketdata.OrderBook;
import com.xeiam.xchange.dto.trade.LimitOrder;
import com.xeiam.xchange.dto.trade.OpenOrders;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.xeiam.xchange.Exchange;
import com.xeiam.xchange.ExchangeFactory;
import com.generalbytes.batm.server.extensions.ICurrencies;
import com.generalbytes.batm.server.extensions.IExchangeAdvanced;
import com.generalbytes.batm.server.extensions.IRateSource;
import com.generalbytes.batm.server.extensions.extra.bitcoin.exchanges.XChangeExchange;
import com.xeiam.xchange.ExchangeSpecification;
import com.xeiam.xchange.currency.CurrencyPair;
import com.xeiam.xchange.dto.Order.OrderType;
import com.xeiam.xchange.dto.marketdata.Ticker;
import com.xeiam.xchange.dto.trade.MarketOrder;
import com.xeiam.xchange.service.polling.PollingAccountService;
import com.xeiam.xchange.service.polling.PollingMarketDataService;
import com.xeiam.xchange.service.polling.PollingTradeService;
import org.slf4j.spi.LocationAwareLogger;
public class BitfinexExchange implements IExchangeAdvanced, IRateSourceAdvanced {
import java.util.HashSet;
import java.util.Set;
private static final Logger log = LoggerFactory.getLogger("batm.master.BitfinexExchange");
private Exchange exchange = null;
private String apiKey;
private String apiSecret;
public class BitfinexExchange extends XChangeExchange implements IExchangeAdvanced, IRateSource {
private static HashMap<String,BigDecimal> rateAmounts = new HashMap<String, BigDecimal>();
private static HashMap<String,Long> rateTimes = new HashMap<String, Long>();
private static final long MAXIMUM_ALLOWED_TIME_OFFSET = 30 * 1000;
private static volatile long lastCall = -1;
public static final int CALL_PERIOD_MINIMUM = 2100; //cannot be called more often than once in 2 seconds
private static ExchangeSpecification getSpecification(String apiKey, String apiSecret) {
ExchangeSpecification spec = new com.xeiam.xchange.bitfinex.v1.BitfinexExchange().getDefaultExchangeSpecification();
spec.setApiKey(apiKey);
spec.setSecretKey(apiSecret);
return spec;
}
public BitfinexExchange(String apiKey, String apiSecret) {
this.apiKey = apiKey;
this.apiSecret = apiSecret;
}
private synchronized Exchange getExchange() {
if (this.exchange == null) {
ExchangeSpecification bfxSpec = new com.xeiam.xchange.bitfinex.v1.BitfinexExchange().getDefaultExchangeSpecification();
bfxSpec.setApiKey(this.apiKey);
bfxSpec.setSecretKey(this.apiSecret);
this.exchange = ExchangeFactory.INSTANCE.createExchange(bfxSpec);
}
return this.exchange;
super(getSpecification(apiKey, apiSecret));
}
@Override
public Set<String> getCryptoCurrencies() {
Set<String> cryptoCurrencies = new HashSet<String>();
cryptoCurrencies.add(ICurrencies.BTC);
return cryptoCurrencies;
}
@Override
public Set<String> getFiatCurrencies() {
Set<String> fiatCurrencies = new HashSet<String>();
fiatCurrencies.add(ICurrencies.USD);
return fiatCurrencies;
}
@Override
public String getPreferredFiatCurrency() {
return ICurrencies.USD;
}
@Override
public synchronized BigDecimal getExchangeRateLast(String cryptoCurrency, String fiatCurrency) {
String key = cryptoCurrency +"_" + fiatCurrency;
synchronized (rateAmounts) {
long now = System.currentTimeMillis();
BigDecimal amount = rateAmounts.get(key);
if (amount == null) {
BigDecimal result = getExchangeRateLastSync(cryptoCurrency, fiatCurrency);
log.debug("Called bitfinex exchange for rate: " + key + " = " + result);
rateAmounts.put(key,result);
rateTimes.put(key,now+MAXIMUM_ALLOWED_TIME_OFFSET);
return result;
}else {
Long expirationTime = rateTimes.get(key);
if (expirationTime > now) {
return rateAmounts.get(key);
}else{
//do the job;
BigDecimal result = getExchangeRateLastSync(cryptoCurrency, fiatCurrency);
log.debug("Called bitfinex exchange for rate: " + key + " = " + result);
rateAmounts.put(key,result);
rateTimes.put(key,now+MAXIMUM_ALLOWED_TIME_OFFSET);
return result;
}
}
}
}
private BigDecimal getExchangeRateLastSync(String cryptoCurrency, String cashCurrency) {
PollingMarketDataService marketDataService = getExchange().getPollingMarketDataService();
try {
Ticker ticker = marketDataService.getTicker(new CurrencyPair(cryptoCurrency,cashCurrency));
return ticker.getLast();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
public BigDecimal getCryptoBalance(String cryptoCurrency) {
// [TODO] Can be extended to support LTC and DRK (and other currencies supported by BFX)
if (!ICurrencies.BTC.equalsIgnoreCase(cryptoCurrency)) {
return BigDecimal.ZERO;
}
log.debug("Calling Bitfinex exchange (getBalance)");
try {
return getExchange().getPollingAccountService().getAccountInfo().getBalance(cryptoCurrency);
} catch (IOException e) {
e.printStackTrace();
log.error("Bitfinex exchange (getBalance) failed with message: " + e.getMessage());
}
return null;
}
public BigDecimal getFiatBalance(String fiatCurrency) {
if (!ICurrencies.USD.equalsIgnoreCase(fiatCurrency)) {
return BigDecimal.ZERO;
}
log.debug("Calling Bitfinex exchange (getBalance)");
try {
return getExchange().getPollingAccountService().getAccountInfo().getBalance(fiatCurrency);
} catch (IOException e) {
e.printStackTrace();
log.error("Bitfinex exchange (getBalance) failed with message: " + e.getMessage());
}
return null;
}
public final String sendCoins(String destinationAddress, BigDecimal amount, String cryptoCurrency, String description) {
if (!ICurrencies.BTC.equalsIgnoreCase(cryptoCurrency)) {
log.error("Bitfinex supports only " + ICurrencies.BTC);
return null;
}
log.info("Calling bitfinex exchange (withdrawal destination: " + destinationAddress + " amount: " + amount + " " + cryptoCurrency + ")");
PollingAccountService accountService = getExchange().getPollingAccountService();
try {
String result = accountService.withdrawFunds(cryptoCurrency, amount, destinationAddress);
if (result == null) {
log.warn("Bitfinex exchange (withdrawFunds) failed with null");
return null;
}else if ("success".equalsIgnoreCase(result)){
log.warn("Bitfinex exchange (withdrawFunds) finished successfully");
return "success";
}else{
log.warn("Bitfinex exchange (withdrawFunds) failed with message: " + result);
return null;
}
} catch (IOException e) {
e.printStackTrace();
log.error("Bitfinex exchange (withdrawFunds) failed with message: " + e.getMessage());
}
return null;
}
public String purchaseCoins(BigDecimal amount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
if (!ICurrencies.BTC.equalsIgnoreCase(cryptoCurrency)) {
log.error("Bitfinex implementation supports only " + ICurrencies.BTC);
return null;
}
if (!ICurrencies.USD.equalsIgnoreCase(fiatCurrencyToUse)) {
log.error("Bitfinex supports only " + ICurrencies.USD );
return null;
}
log.info("Calling Bitfinex exchange (purchase " + amount + " " + cryptoCurrency + ")");
PollingAccountService accountService = getExchange().getPollingAccountService();
PollingTradeService tradeService = getExchange().getPollingTradeService();
try {
log.debug("AccountInfo as String: " + accountService.getAccountInfo().toString());
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrencyToUse);
MarketOrder order = new MarketOrder(OrderType.BID, amount, currencyPair);
log.debug("marketOrder = " + order);
String orderId = tradeService.placeMarketOrder(order);
log.debug("orderId = " + orderId + " " + order);
try {
Thread.sleep(2000); //give exchange 2 seconds to reflect open order in order book
} catch (InterruptedException e) {
e.printStackTrace();
}
// get open orders
log.debug("Open orders:");
boolean orderProcessed = false;
int numberOfChecks = 0;
while (!orderProcessed && numberOfChecks < 10) {
boolean orderFound = false;
OpenOrders openOrders = tradeService.getOpenOrders();
for (LimitOrder openOrder : openOrders.getOpenOrders()) {
log.debug("openOrder = " + openOrder);
if (orderId.equals(openOrder.getId())) {
orderFound = true;
break;
}
}
if (orderFound) {
log.debug("Waiting for order to be processed.");
try {
Thread.sleep(3000); //don't get your ip address banned
} catch (InterruptedException e) {
e.printStackTrace();
}
}else{
orderProcessed = true;
}
numberOfChecks++;
}
if (orderProcessed) {
return orderId;
}
} catch (IOException e) {
e.printStackTrace();
log.error("Bitfinex exchange (purchaseCoins) failed with message: " + e.getMessage());
}
return null;
protected boolean isWithdrawSuccessful(String result) {
return "success".equalsIgnoreCase(result);
}
@Override
public ITask createPurchaseCoinsTask(BigDecimal amount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
if (!ICurrencies.BTC.equalsIgnoreCase(cryptoCurrency)) {
log.error("Bitfinex implementation supports only " + ICurrencies.BTC);
return null;
}
if (!ICurrencies.USD.equalsIgnoreCase(fiatCurrencyToUse)) {
log.error("Bitfinex supports only " + ICurrencies.USD );
return null;
}
return new PurchaseCoinsTask(amount,cryptoCurrency,fiatCurrencyToUse,description);
protected double getAllowedCallsPerSecond() {
return 0.5;
}
@Override
public String getDepositAddress(String cryptoCurrency) {
if (!ICurrencies.BTC.equalsIgnoreCase(cryptoCurrency)) {
log.error("Bitfinex implementation supports only " + ICurrencies.BTC);
return null;
}
PollingAccountService accountService = getExchange().getPollingAccountService();
try {
return accountService.requestDepositAddress(cryptoCurrency);
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
@Override
public String sellCoins(BigDecimal cryptoAmount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
if (!ICurrencies.BTC.equalsIgnoreCase(cryptoCurrency)) {
log.error("Bitfinex implementation supports only " + ICurrencies.BTC);
return null;
}
if (!ICurrencies.USD.equalsIgnoreCase(fiatCurrencyToUse)) {
log.error("Bitfinex supports only " + ICurrencies.USD );
return null;
}
log.info("Calling Bitfinex exchange (sell " + cryptoAmount + " " + cryptoCurrency + ")");
PollingAccountService accountService = getExchange().getPollingAccountService();
PollingTradeService tradeService = getExchange().getPollingTradeService();
try {
log.debug("AccountInfo as String: " + accountService.getAccountInfo().toString());
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrencyToUse);
MarketOrder order = new MarketOrder(OrderType.ASK, cryptoAmount, currencyPair);
log.debug("marketOrder = " + order);
String orderId = tradeService.placeMarketOrder(order);
log.debug("orderId = " + orderId + " " + order);
try {
Thread.sleep(2000); //give exchange 2 seconds to reflect open order in order book
} catch (InterruptedException e) {
e.printStackTrace();
}
// get open orders
log.debug("Open orders:");
boolean orderProcessed = false;
int numberOfChecks = 0;
while (!orderProcessed && numberOfChecks < 10) {
boolean orderFound = false;
OpenOrders openOrders = tradeService.getOpenOrders();
for (LimitOrder openOrder : openOrders.getOpenOrders()) {
log.debug("openOrder = " + openOrder);
if (orderId.equals(openOrder.getId())) {
orderFound = true;
break;
}
}
if (orderFound) {
log.debug("Waiting for order to be processed.");
try {
Thread.sleep(3000); //don't get your ip address banned
} catch (InterruptedException e) {
e.printStackTrace();
}
}else{
orderProcessed = true;
}
numberOfChecks++;
}
if (orderProcessed) {
return orderId;
}
} catch (IOException e) {
e.printStackTrace();
log.error("Bitfinex exchange (sellCoins) failed with message: " + e.getMessage());
}
return null;
}
@Override
public ITask createSellCoinsTask(BigDecimal amount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
if (!ICurrencies.BTC.equalsIgnoreCase(cryptoCurrency)) {
log.error("Bitfinex implementation supports only " + ICurrencies.BTC);
return null;
}
if (!ICurrencies.USD.equalsIgnoreCase(fiatCurrencyToUse)) {
log.error("Bitfinex supports only " + ICurrencies.USD );
return null;
}
return new SellCoinsTask(amount,cryptoCurrency,fiatCurrencyToUse,description);
}
class PurchaseCoinsTask implements ITask {
private long MAXIMUM_TIME_TO_WAIT_FOR_ORDER_TO_FINISH = 5 * 60 * 60 * 1000; //5 hours
private BigDecimal amount;
private String cryptoCurrency;
private String fiatCurrencyToUse;
private String description;
private String orderId;
private String result;
private boolean finished;
PurchaseCoinsTask(BigDecimal amount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
this.amount = amount;
this.cryptoCurrency = cryptoCurrency;
this.fiatCurrencyToUse = fiatCurrencyToUse;
this.description = description;
}
@Override
public boolean onCreate() {
log.info("Calling Bitfinex exchange (purchase " + amount + " " + cryptoCurrency + ")");
PollingAccountService accountService = getExchange().getPollingAccountService();
PollingTradeService tradeService = getExchange().getPollingTradeService();
try {
log.debug("AccountInfo as String: " + accountService.getAccountInfo().toString());
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrencyToUse);
MarketOrder order = new MarketOrder(OrderType.BID, amount, currencyPair);
log.debug("marketOrder = " + order);
orderId = tradeService.placeMarketOrder(order);
log.debug("orderId = " + orderId + " " + order);
try {
Thread.sleep(2000); //give exchange 2 seconds to reflect open order in order book
} catch (InterruptedException e) {
e.printStackTrace();
}
} catch (IOException e) {
e.printStackTrace();
log.error("Bitfinex exchange (purchaseCoins) failed with message: " + e.getMessage());
} catch (Throwable e) {
e.printStackTrace();
}
return (orderId != null);
}
@Override
public boolean onDoStep() {
if (orderId == null) {
log.debug("Giving up on waiting for trade to complete. Because it did not happen");
finished = true;
result = "Skipped";
return false;
}
PollingTradeService tradeService = getExchange().getPollingTradeService();
// get open orders
boolean orderProcessed = false;
long checkTillTime = System.currentTimeMillis() + MAXIMUM_TIME_TO_WAIT_FOR_ORDER_TO_FINISH;
if (System.currentTimeMillis() > checkTillTime) {
log.debug("Giving up on waiting for trade " + orderId + " to complete");
finished = true;
return false;
}
log.debug("Open orders:");
boolean orderFound = false;
try {
OpenOrders openOrders = tradeService.getOpenOrders();
for (LimitOrder openOrder : openOrders.getOpenOrders()) {
log.debug("openOrder = " + openOrder);
if (orderId.equals(openOrder.getId())) {
orderFound = true;
break;
}
}
} catch (IOException e) {
e.printStackTrace();
}
if (orderFound) {
log.debug("Waiting for order to be processed.");
}else{
orderProcessed = true;
}
if (orderProcessed) {
result = orderId;
finished = true;
}
return result != null;
}
@Override
public boolean isFinished() {
return finished;
}
@Override
public String getResult() {
return result;
}
@Override
public boolean isFailed() {
return finished && result == null;
}
@Override
public void onFinish() {
log.debug("Purchase task finished.");
}
@Override
public long getShortestTimeForNexStepInvocation() {
return 5 * 1000; //it doesn't make sense to run step sooner than after 5 seconds
}
}
class SellCoinsTask implements ITask {
private long MAXIMUM_TIME_TO_WAIT_FOR_ORDER_TO_FINISH = 5 * 60 * 60 * 1000; //5 hours
private BigDecimal cryptoAmount;
private String cryptoCurrency;
private String fiatCurrencyToUse;
private String description;
private String orderId;
private String result;
private boolean finished;
SellCoinsTask(BigDecimal cryptoAmount, String cryptoCurrency, String fiatCurrencyToUse, String description) {
this.cryptoAmount = cryptoAmount;
this.cryptoCurrency = cryptoCurrency;
this.fiatCurrencyToUse = fiatCurrencyToUse;
this.description = description;
}
@Override
public boolean onCreate() {
log.info("Calling Bitfinex exchange (sell " + cryptoAmount + " " + cryptoCurrency + ")");
PollingAccountService accountService = getExchange().getPollingAccountService();
PollingTradeService tradeService = getExchange().getPollingTradeService();
try {
log.debug("AccountInfo as String: " + accountService.getAccountInfo().toString());
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrencyToUse);
MarketOrder order = new MarketOrder(OrderType.ASK, cryptoAmount, currencyPair);
log.debug("marketOrder = " + order);
orderId = tradeService.placeMarketOrder(order);
log.debug("orderId = " + orderId + " " + order);
try {
Thread.sleep(2000); //give exchange 2 seconds to reflect open order in order book
} catch (InterruptedException e) {
e.printStackTrace();
}
} catch (IOException e) {
e.printStackTrace();
log.error("Bitfinex exchange (sellCoins) failed with message: " + e.getMessage());
} catch (Throwable e) {
e.printStackTrace();
}
return (orderId != null);
}
@Override
public boolean onDoStep() {
if (orderId == null) {
log.debug("Giving up on waiting for trade to complete. Because it did not happen");
finished = true;
result = "Skipped";
return false;
}
PollingTradeService tradeService = getExchange().getPollingTradeService();
// get open orders
boolean orderProcessed = false;
long checkTillTime = System.currentTimeMillis() + MAXIMUM_TIME_TO_WAIT_FOR_ORDER_TO_FINISH;
if (System.currentTimeMillis() > checkTillTime) {
log.debug("Giving up on waiting for trade " + orderId + " to complete");
finished = true;
return false;
}
log.debug("Open orders:");
boolean orderFound = false;
try {
OpenOrders openOrders = tradeService.getOpenOrders();
for (LimitOrder openOrder : openOrders.getOpenOrders()) {
log.debug("openOrder = " + openOrder);
if (orderId.equals(openOrder.getId())) {
orderFound = true;
break;
}
}
} catch (IOException e) {
e.printStackTrace();
}
if (orderFound) {
log.debug("Waiting for order to be processed.");
}else{
orderProcessed = true;
}
if (orderProcessed) {
result = orderId;
finished = true;
}
return result != null;
}
@Override
public boolean isFinished() {
return finished;
}
@Override
public String getResult() {
return result;
}
@Override
public boolean isFailed() {
return finished && result == null;
}
@Override
public void onFinish() {
log.debug("Sell task finished.");
}
@Override
public long getShortestTimeForNexStepInvocation() {
return 5 * 1000; //it doesn't make sense to run step sooner than after 5 seconds
}
}
private BigDecimal getMeasureCryptoAmount() {
return new BigDecimal(10);
}
@Override
public BigDecimal getExchangeRateForBuy(String cryptoCurrency, String fiatCurrency) {
BigDecimal result = calculateBuyPrice(cryptoCurrency, fiatCurrency, getMeasureCryptoAmount());
if (result != null) {
return result.divide(getMeasureCryptoAmount(), 2, BigDecimal.ROUND_UP);
}
return null;
}
@Override
public BigDecimal getExchangeRateForSell(String cryptoCurrency, String fiatCurrency) {
BigDecimal result = calculateSellPrice(cryptoCurrency, fiatCurrency, getMeasureCryptoAmount());
if (result != null) {
return result.divide(getMeasureCryptoAmount(), 2, BigDecimal.ROUND_DOWN);
}
return null;
}
@Override
public BigDecimal calculateBuyPrice(String cryptoCurrency, String fiatCurrency, BigDecimal cryptoAmount) {
waitForPossibleCall();
PollingMarketDataService marketDataService = getExchange().getPollingMarketDataService();
try {
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrency);
OrderBook orderBook = marketDataService.getOrderBook(currencyPair);
List<LimitOrder> asks = orderBook.getAsks();
BigDecimal targetAmount = cryptoAmount;
BigDecimal asksTotal = BigDecimal.ZERO;
BigDecimal tradableLimit = null;
Collections.sort(asks, new Comparator<LimitOrder>() {
@Override
public int compare(LimitOrder lhs, LimitOrder rhs) {
return lhs.getLimitPrice().compareTo(rhs.getLimitPrice());
}
});
// log.debug("Selected asks:");
for (LimitOrder ask : asks) {
// log.debug("ask = " + ask);
asksTotal = asksTotal.add(ask.getTradableAmount());
if (targetAmount.compareTo(asksTotal) <= 0) {
tradableLimit = ask.getLimitPrice();
break;
}
}
if (tradableLimit != null) {
log.debug("Called Bitfinex exchange for BUY rate: " + cryptoCurrency + fiatCurrency + " = " + tradableLimit);
return tradableLimit.multiply(cryptoAmount);
}
} catch (ExchangeException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (Throwable e) {
e.printStackTrace();
}
return null;
}
private void waitForPossibleCall() {
long now = System.currentTimeMillis();
if (lastCall != -1) {
long diff = now - lastCall;
if (diff < CALL_PERIOD_MINIMUM) {
try {
long sleeping = CALL_PERIOD_MINIMUM - diff;
Thread.sleep(sleeping);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
lastCall = now;
return;
}
@Override
public BigDecimal calculateSellPrice(String cryptoCurrency, String fiatCurrency, BigDecimal cryptoAmount) {
waitForPossibleCall();
PollingMarketDataService marketDataService = getExchange().getPollingMarketDataService();
try {
CurrencyPair currencyPair = new CurrencyPair(cryptoCurrency, fiatCurrency);
OrderBook orderBook = marketDataService.getOrderBook(currencyPair);
List<LimitOrder> bids = orderBook.getBids();
BigDecimal targetAmount = cryptoAmount;
BigDecimal bidsTotal = BigDecimal.ZERO;
BigDecimal tradableLimit = null;
Collections.sort(bids, new Comparator<LimitOrder>() {
@Override
public int compare(LimitOrder lhs, LimitOrder rhs) {
return rhs.getLimitPrice().compareTo(lhs.getLimitPrice());
}
});
for (LimitOrder bid : bids) {
bidsTotal = bidsTotal.add(bid.getTradableAmount());
if (targetAmount.compareTo(bidsTotal) <= 0) {
tradableLimit = bid.getLimitPrice();
break;
}
}
if (tradableLimit != null) {
log.debug("Called Bitfinex exchange for SELL rate: " + cryptoCurrency + fiatCurrency + " = " + tradableLimit);
return tradableLimit.multiply(cryptoAmount);
}
} catch (ExchangeException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (Throwable e) {
e.printStackTrace();
}
return null;
}
}
}

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@ -0,0 +1,89 @@
/*************************************************************************************
* Copyright (C) 2014 GENERAL BYTES s.r.o. All rights reserved.
* <p/>
* This software may be distributed and modified under the terms of the GNU
* General Public License version 2 (GPL2) as published by the Free Software
* Foundation and appearing in the file GPL2.TXT included in the packaging of
* this file. Please note that GPL2 Section 2[b] requires that all works based
* on this software must also be made publicly available under the terms of
* the GPL2 ("Copyleft").
* <p/>
* Contact information
* -------------------
* <p/>
* GENERAL BYTES s.r.o.
* Web : http://www.generalbytes.com
* <p/>
* Other information:
* <p/>
* This implementation was created in cooperation with Orillia BVBA
************************************************************************************/
package com.generalbytes.batm.server.extensions.extra.bitcoin.exchanges.itbit;
import com.generalbytes.batm.server.extensions.ICurrencies;
import com.generalbytes.batm.server.extensions.IExchangeAdvanced;
import com.generalbytes.batm.server.extensions.IRateSource;
import com.generalbytes.batm.server.extensions.extra.bitcoin.exchanges.XChangeExchange;
import com.xeiam.xchange.ExchangeSpecification;
import java.util.HashSet;
import java.util.Set;
public class ItBitExchange extends XChangeExchange implements IExchangeAdvanced, IRateSource {
private static ExchangeSpecification getDefaultSpecification() {
return new com.xeiam.xchange.itbit.v1.ItBitExchange().getDefaultExchangeSpecification();
}
private static ExchangeSpecification getSpecification(String userId, String walletId, String clientKey, String clientSecret) {
ExchangeSpecification spec = getDefaultSpecification();
spec.setExchangeSpecificParametersItem("userId", userId);
spec.setExchangeSpecificParametersItem("walletId", walletId);
spec.setApiKey(clientKey);
spec.setSecretKey(clientSecret);
return spec;
}
public ItBitExchange() {
super(getDefaultSpecification());
}
public ItBitExchange(String userId, String walletId, String clientKey, String clientSecret) {
super(getSpecification(userId, walletId, clientKey, clientSecret));
}
@Override
public Set<String> getCryptoCurrencies() {
Set<String> cryptoCurrencies = new HashSet<String>();
cryptoCurrencies.add(ICurrencies.XBT);
return cryptoCurrencies;
}
@Override
public Set<String> getFiatCurrencies() {
Set<String> fiatCurrencies = new HashSet<String>();
fiatCurrencies.add(ICurrencies.USD);
fiatCurrencies.add(ICurrencies.EUR);
return fiatCurrencies;
}
@Override
public String getPreferredFiatCurrency() {
return ICurrencies.USD;
}
@Override
protected boolean isWithdrawSuccessful(String result) {
return true;
}
@Override
protected double getAllowedCallsPerSecond() {
return 10;
}
@Override
protected String mapCurrency(String currency) {
return currency.equals(ICurrencies.BTC) ? ICurrencies.XBT : currency;
}
}